fakeav | b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-09-2024 03:00

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General

Target

b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe
Size

711KB
MD5

7ff1980a97c5943f101dc7b63b8fd859
SHA1

0a3d62c5ed900259c281d5377ed8ccd66ee1ec65
SHA256

b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b
SHA512

f30073202f511eaa906dadc37a878540d29fd65382908530371ce4d9dd229202298c6d50dbde99874631fbb131ff84c1c527c1f7306af7f38432a11b5b422db8
SSDEEP

12288:yoxejOONAM7GUC1Jr+4o628gx2Jw+tP3Jzm8JORHXC3X+pd167QhEQO:hxY3NtGUmJr+4Obxd+tPZSZtiE6EhE

Score

10^/10

fakeav discovery fakeav persistence spyware

Malware Config

Signatures

FakeAV, RogueAntivirus
FakeAV or Rogue AntiVirus is a class of malware that displays false alert messages.
fakeav spyware fakeav

FakeAV payload 1 IoCs

fakeav spyware

Processes:

resource	yara_rule
behavioral2/memory/3656-5-0x0000000000400000-0x00000000004BD000-memory.dmp	fakeav

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE"	b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE"	b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe

Drops file in System32 directory 2 IoCs

Processes:

b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe

description	ioc	process
File created	C:\Windows\SysWOW64\CSRLT.EXE	b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe
File opened for modification	C:\Windows\SysWOW64\CSRLT.EXE	b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe

Drops file in Windows directory 2 IoCs

Processes:

b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe

description	ioc	process
File opened for modification	C:\Windows\MSBLT.EXE	b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe
File created	C:\Windows\MSBLT.EXE	b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe

C:\Users\Admin\AppData\Local\Temp\b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe
"C:\Users\Admin\AppData\Local\Temp\b8294c25edd97b1bf73c178f287fee74546d84d5c87a2613a52c74ecd254f16b.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3656-0-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/3656-6-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/3656-5-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download